/************************************************************
(C) Copyright 1997
Heriot Watt University
All rights reserved.
 
 File: client.c

$Date: 99/03/05 $
$Revision: 0.0 $
************************************************************/


#include "f_tcp.h"

#define         TRUE            1
#define         FALSE           0
#define         BUFFER_SIZE     20
#define         PORT            10000

/*------------------------------------------------------------MAIN()---*/
void main (int argc, char *argv[])
{
  /* tcp/ip connection handling variables */
  int FileDescriptor;
  char               console_buffer[BUFFER_SIZE];  
  char               ip_input_buffer[BUFFER_SIZE];
  char               ip_output_buffer[BUFFER_SIZE];
  register int	count;
  int i;
  struct hostent     *host;

  printf("%s compiled in %s %s\n", __FILE__, __DATE__, __TIME__);
  if ( argc < 2 ) {
    printf( "The program expects arguments\n" );
    printf( "client <hostname>\n" );
    exit(0);
  }
  if ((config_tcp_port_client(&FileDescriptor))==-1) 
    {
      SysError("TCP port server: bad configuration\n");
    }
  
  cl_to_ser_connection(argv[1],PORT,FileDescriptor);
  while( TRUE )
    {
      /* Get a number from console */
      printf( "> " );
      scanf( "%s", console_buffer );
      /* Convert it to integer (-1 to exit)*/
      /* Make sure output buffer is empty */
      bzero( ip_output_buffer, sizeof( ip_output_buffer ));
      /* Copy value to output buffer */
      strcpy( ip_output_buffer, console_buffer );
      /* Send value to server */
      if ( send( FileDescriptor, ip_output_buffer, 
		 strlen(ip_output_buffer), 0 ) <= 0 )
	SysError( "Error on send" );
      /* Make sure input buffer is empty*/
      bzero( ip_input_buffer, sizeof(ip_input_buffer) );
      /* receive data back from server */
      if ( recv( FileDescriptor, ip_input_buffer, 
		 sizeof(ip_input_buffer), 0 ) <= 0 )
		 SysError( "Error on recv" );
      /*Print reception */
      printf( "%s\n", ip_input_buffer );
    }
  exit(0);
} /*main()*/

void    SysError( char *string )
{
  printf( "Error found:  String given is --> %s\n", string );
  exit(0);
}